Frost Queen Cookie (Korean: 서리여왕 쿠키, seoriyeowang kuki) is a Legendary Cookie released alongside Cotton Cookie in the first part of the Frost Witch and the Lantern in the Snow update (v2.4). She is of the Magic Magic type and her position is prioritized to the Middle. Frost Queen Cookie is the frigid yet fair upholder of the cycle and transference of life, bound to forever fulfill this solitary mission. To many, she seems cruel and unforgiving, but she simply upholds the inevitable will of nature.

Somewhere amidst endless snow stands the lone castle of ice. In its halls of perpetual twilight dwells Frost Queen Cookie, the sovereign of winter itself. Like a fairytale queen, she dazzles with regal magnificence, yet her icy gaze leaves your soul cold and dreary, like tundra after a relentless blizzard. Her Cookie heart with all its mortal hopes and passions is long but frozen, all but one: her adamant will to accomplish her mission. A mission of utmost importance to the existence of the world. Ages might pass, but the castle of ice will remain: and so will Frost Queen Cookie, the guide for the myriads of Life-bearing snowflakes.

This stone holds a piece of Frost Queen Cookie's soul. Its freezing cold aura seems to pierce anyone who comes close by.